h USER'S GUIDE and RKPERKNCE HhäUhL POE DOS XL version 2 3 8 h DISK OPERhTIHG SYSTEM 4esigne4 for use edith hThRI äONK COMPUTERS · ndc caapatibled is k d ri v e s c apable of single an4/or do uble d ensity o perati o n C A Disk QperQtißg Spsterrl This nanual re v i s e 4 D ecenber, l g SS for Atari Compvters Copyx'ight Hoti ce The prograns, di s k s, a n 4 a a nuals c c npris i n g DOS XL are Copyright (c } 1 9 83 b y ' Optin i r e d S y s t ens So f t w a r e, I nco 11?3-D Saratoga-Sunnyvale Rd. Sau Jose, Cal i f o r ni a 8 5188 hl l r i gh t s re ser v e d. 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Th a original yer i i o n of th e co n sol» processor fCP) and the hSOST TäxS 801Txoä original version ( " version g" ) of the Pil s' äan ager Systan f vh i c h i s · of co u r ä e, id en t i c a l w $ th h t a r i ' s DOS 2 .8S) v e rs wr i t t en by Paul Lau g h ton . 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